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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | -160 |
| 4 | 1792 |
| 5 | -484224 |
| 6 | 54495232 |
| 7 | -9441003520 |
| 8 | 2598020579328 |
| 9 | -756380393635840 |
| 10 | 305071008569196544 |
| 11 | -144297159065656885248 |
| 12 | 81729693136918543335424 |
| 13 | -55094722790449057575731200 |
[1,0,0,-160,1792,-484224,54495232,-9441003520, 2598020579328,-756380393635840,305071008569196544, -144297159065656885248,81729693136918543335424, -55094722790449057575731200] |